Home / 7,845.71-10,832.15-4,864.73

Finding the Fourth Proportional to 7,845.71, 10,832.15 and 4,864.73

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Solution

The fourth proportional to 7,845.71, 10,832.15 and 4,864.73 is: 6,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.71 : 10,832.15 = 4,864.73 : x
  2. Step 2: Convert to fraction form
    7,845.71/10,832.15 = 4,864.73/x
  3. Step 3: Cross multiply
    7,845.71x = 10,832.15 × 4,864.73
  4. Step 4: Simplify right side
    7,845.71x = 52,695,485.07
  5. Step 5: Solve for x
    x = 52,695,485.07/7,845.71
  6. Step 6: Final answer
    x = 6,716.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.